package com.itheima.service.impl;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.mapper.EmpMapper;
import com.itheima.pojo.Emp;
import com.itheima.pojo.PageBean;
import com.itheima.service.EmpService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.List;

//员工业务实现类
@Slf4j
@Service
public class EmpServiceImpl implements EmpService {

    @Autowired
    private EmpMapper empMapper;

//    @Override
//    public PageBean page(Integer page, Integer pageSize) {
//
//        Long count=empMapper.count();
//
//        Integer start=(page-1)*pageSize;
//        List<Emp> empList=empMapper.page(start,pageSize);
//
//        PageBean pageBean=new PageBean(count,empList);
//        return pageBean;
//    }

    @Override
    public PageBean page(Integer page, Integer pageSize, String name, Short gender, LocalDate begin, LocalDate end){
        PageHelper.startPage(page,pageSize);

        List<Emp> empList=empMapper.list(name,gender,begin,end);
        Page<Emp> p=(Page<Emp>) empList;

        PageBean pageBean=new PageBean(p.getTotal(),p.getResult());
        return pageBean;
    }

    @Override
    public void delete(List<Integer> ids) {
        empMapper.delete(ids);
    }

    @Override
    public void save(Emp emp) {
        emp.setCreateTime(LocalDateTime.now());
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.insert(emp);
    }

    @Override
    public Emp getById(Integer id) {
        return empMapper.getById(id);
    }

    @Override
    public void update(Emp emp) {
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.update(emp);
    }

    @Override
    public Emp login(Emp emp) {
        Emp loginEmp=empMapper.getByUsernameAndPassword(emp);
        return loginEmp;
    }
}